spac·​er | \ ˈspā-sər How to pronounce spacer (audio) \
plural spacers

Definition of spacer

: a device or piece used to create or maintain a desired amount of space (as between two parts) As long as your joints look even, it's more important that you avoid a large grout line at the last tile than worry about sticking to the exact measurement of the spacer.— Jennifer Stimpson Stiff spacers of low-expansion materials … may be used to provide a fixed spacing between the end mirrors.— Arthur L. Schawlow Use wood shims or spacers where necessary to compensate for wavy ceilings and to make certain the bottom surfaces of all strips are flush.— Bernard Gladstone

Examples of spacer in a Sentence

Recent Examples on the Web Williams became an invaluable floor spacer this season, and Boston can’t afford to have his confidence dented now. Adam Himmelsbach,, 12 May 2022 Murray is a dream fit next to Myles Turner as a floor spacer who can also defend on the perimeter. Scott Horner, The Indianapolis Star, 22 June 2022 The Bulls use Vucevic in pick-and-pops and as a straight-up floor spacer at times, as well as a playmaking hub in the middle of the court. Jason Patt, Forbes, 13 June 2022 Also, use a spacer device that attaches to your inhaler. Katherine Bowles, SELF, 18 May 2022 The truck's back end is lifted a half-inch via a spacer placed between the leaf springs and the rear axle housing, slightly increasing the departure angle to 23.6 degrees. Eric Stafford, Car and Driver, 17 May 2022 Sharpshooting guard Joe Harris missed almost the entire season with an ankle injury, and his absence, especially as a scorer and floor spacer, hurt. Jeff Zillgitt, USA TODAY, 26 Apr. 2022 As a lob threat for Chris Paul, tough defender on the block, underrated passer, and additional floor spacer, Nance Jr. promises to fit well within Phoenix’s highly functioning basketball machine. Jeremy Cluff, The Arizona Republic, 4 Feb. 2022 This is an elite floor spacer that understands the game and is coming from a system that teaches the fundamentals. Scott Horner, The Indianapolis Star, 9 July 2021 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'spacer.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of spacer

1857, in the meaning defined above

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Dictionary Entries Near spacer

space quantization


spacer bar

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Statistics for spacer

Last Updated

20 Jul 2022

Cite this Entry

“Spacer.” Dictionary, Merriam-Webster, Accessed 8 Aug. 2022.

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More Definitions for spacer


spac·​er | \ ˈspā-sər How to pronounce spacer (audio) \

Medical Definition of spacer

: a region of chromosomal DNA between genes that is not transcribed into messenger RNA and is of uncertain function


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